Nitrogen application technology for tropical rice as determined by field expermineds using 15N tracer technique /
Nitrogen application technology for tropical rice as determined by field expermineds using 15N tracer technique / Takeo Koyama, Chittana Chammek and Natee Niamsrichand - Tokyo : Tropical Agriculture Research Center, 1973 - 79 pages : illustration ; 26 cm
Includes table
Includes bibliographical references
Rice --Fertilizers
Rice --Soils
Nitrogen fertilizers
SB191.R5 K69